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LiAlO2

The lattice parameter of Lithium Aluminium Oxide (LiAlO2 ) crystal can match with the Gallium Nitride film very well. The mismatch coefficients is much smaller than that of the common used substrates.

Physical Property

molecular formula

LiAlO2

Crystal Structure

Tetragonal

Cell parameter ( Å )

a=5.17 c=6.26

 Growth Method

CZ

Melting point

1900oC

Density

2.62g/cm3

Hardness

7.5Mohs

Standard Size

20×20×0.5mm
10×10×0.5mm
Special size and orientation are available upon request

Orientation Accuracy  

±0.3o

Polishing& Micro Roughness

Single or double sides polished   Ra<5 Å

   
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